Dump additional information on demangler assertion failure.
Dump additional information on demangler assertion failure.

This should help to debug things when things go wrong.

rdar://89139049

rudkx/swift,JGiola/swift,JGiola/swift,JGiola/swift,roambotics/swift,ahoppen/swift,rudkx/swift,atrick/swift,gregomni/swift,ahoppen/swift,gregomni/swift,glessard/swift,rudkx/swift,roambotics/swift,glessard/swift,roambotics/swift,benlangmuir/swift,JGiola/swift,ahoppen/swift,rudkx/swift,apple/swift,apple/swift,roambotics/swift,glessard/swift,benlangmuir/swift,gregomni/swift,apple/swift,apple/swift,glessard/swift,roambotics/swift,gregomni/swift,benlangmuir/swift,gregomni/swift,atrick/swift,ahoppen/swift,ahoppen/swift,apple/swift,atrick/swift,apple/swift,atrick/swift,JGiola/swift,JGiola/swift,gregomni/swift,glessard/swift,rudkx/swift,ahoppen/swift,glessard/swift,atrick/swift,rudkx/swift,roambotics/swift,benlangmuir/swift,atrick/swift,benlangmuir/swift,benlangmuir/swift